Features:
1. It can efficiently carry out solid-liquid separation, and separate suspended substances, colloidal substances, and microbial flora lost from biological units in wastewater from purified water. The separation process is simple, the area is small, and the effluent quality is good. It can be reused without tertiary treatment.
2. The biomass in the biological treatment unit can be maintained at a high concentration, which greatly increases the volume load. At the same time, the high efficiency of membrane separation can greatly shorten the hydraulic retention time of the treatment unit, and the floor space of the bioreactor is correspondingly reduced.
3. Since it can prevent the loss of various microbial flora, it is conducive to the growth of bacteria with slow growth rate (nitrifying bacteria, etc.), so that various metabolic processes in the system can be carried out smoothly.
4. The residence time of some macromolecular refractory organics is prolonged, which is beneficial to their decomposition.
5. Membrane treatment technology is the same as other filtration and separation technologies. During the long-term operation, the membrane is blocked as a filter medium, and the flow of water through the membrane gradually decreases. Effective backwashing and chemical cleaning can slow down the membrane flux. drop to maintain the effective service life.
6. The process is simple and the operation is convenient.